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CHECK-PEWTING MACHINE.

Specification of Letters Patent.

Patented Apr. 16, 1918.

Application tiled July 8, 1912. Serial No. 708,158.

To all 'whom z't may concern:

Be it known that I, WiLUn R. BIRNEY, a citizen of the United States, residing at Dayton, in the county of Montgomery and State of Ohio, have invented a new and 11seful Check-Printing Machine, of which the following is a specification.

Although designated a check-printing machine, my invention is related in a general way to type-writing machines; it might, in fact, be called a typewriter. Moreover, with some modification it would make a very excellent typewriter, which would have at .east two unique and valuble features; viz., quietness and the possibility of correcting an error before it is printed.

The embodiment of my invention illustinted and described in this application, is designed for the purpose of printing checks and the like', and one of its objects is to save time. Another object is to render the date of the check, name of payee and the amount for which the check'is made, indelible. A further object is to insure that nothing can be added to what has been printed on the check by the machine without the fact that `something has been added being quite obvious.

In addition to printing a check my 1na chine prints a duplicate of the matter printed on the check, upon a record sheet. This sheet is made broad enough to accommodate several columns of duplicates, and b shifting the paper each duplicate may be p aced in any desired column. By this menus each column may be reserved for checks of a certain class; e. g., each oftwo or more columns may be used for checks drawn `against certain accounts. Obviously, there are many ways in which segregation of the duplicates muy be found useful.

rlhe check printing and duplicate printing devices are entirely separate. and the latter is automntcin its action. Each muy be rendered inaccessible to :i person having access to the other; e. g.. the record sheet :nul all mechanism connected with itmmy be nclosod under lock and key, while fully op- @roble` hy n person `\\'h0 has no means of gaining access to it. Such person wuld be able to shift the record sheet so as to print duplicates in the desired column, but would otherwise have no control overthe record,

nor could he prevent the record being made. On the other hand, by locking the operating handle of the machine even the person who has access to the record could be prevented from operating the machine or adding anythin to the record.

A brief escription of the machine will help one to understand the detailed descrip tion which is to follow:

A blank check is placed in a holder and by the holder is clamped to the platen; 4the platen is then rolled forward until it comes to a stop. The keys arc now operated as in a typewriter. There is this difference, however, in the action produced when the keys are operated: First,---after each key is operated the key board'inoves to the right a short distance. Second ,--operating the keys does not print anythin on the check; it merely sets certain rnec anism in the ma chine.

The key board is what is known ns standard, (see Fig. 4) and unless the key in the lower left hand corner, marked Figis first pressed, the effect of pressing u key u' ill be to cause the letter which appears on the key to be printed on the check later. The keys of the upper row have both letters and numerals: using these keys before the Fig. key has been pressed will set the machine to print letters; after the Fig. key has been pressed, they will set it to print numerals. ressing either of the keys in the lower row having two characters on them, after the lFig. key has been pressed, causes the proper character to appear on the check. Keys must be operated for all that is to appear in a single line before the operating handle is moved; if the line contains letters and nnu'ierals, the letters must be set first.

Having set up a line, the operating handle :u the right of the machine is pulled toward the operator as far as it will move and then returned to its normal iosition. The top line has now been printe on the check, the platen has been shifted, carrying the check with it into position to receive the second line, and the key board has been returned to its left hand or normal osition. The keys are now operated and al of the second line set up, after which the operating handle is moved as before. In like manner the third line is set up and printed. Simultaneously with printing each line, an exact duplicate of the,- matter it contains is printed on the record sheet. When a check is finished a Small lever is lifted to permit the platen to be rolled toward the operator, after which the printed check iis removed from the holder.

Figure 1 is an elevation at the right hand end of 4machine with the end frame, operating lever and handle removed.`

Fig. 2 is a front elevation, with operating handle removed.

Fig. 3 is a plan View of the machine, with the operating handle removed.

Fig. 4 is a plan of the key conveyor and a portion of the mechanism for returning it to a normal position.

Figs. 5 and 6 are details of parts of the conveyer returning mechanism.

Fig. 7 is detail of a duplicate printer shifting mechanism.

Figs. 8 to 14 are detailsof the conveyer moving mechanism and 'the mechanism for returning the conveyor to its normal posi tlon.

Figs. 15 to 18 are details of the propeller and associated mechanism.

Figs. 19 and 20 are details of the key mechanism.

. nism for adjusting the lateral position of.

Figs. 21 and' 22 are details of the platen. d Figs. 23 to2@ `inclusive are details of the mechanism for moving the type sectors and the mechanism for stopping them.

Fig. 27 is a plan of the stop carriage and parts of its controlling mechanism.

Fig. 28 is a view of the parts shown in Fig. 27 when in a diiferent position.

Figs. 29 and` 30 are details of mechanism related to the parts shown in Figs. 27 and 28.

Figs. 31 and 32 are side elevations, showing the action of the type segments.

Fig. 33 is a section on line 33, Fig. 3.

Figs. 34 to 41 are details of the mechanism for actuating the platen.

Fig. 42 is a view ofthe mechanism for restoring the stops to their normal position.

Figs. 43 to 45 are details of the mecha- .nism shown in Fig. 42.

Figs. 46 and 47 are details of the inking mechanism.

Figs. 48 and 49aredetails of the'mechathe printing sectors.

Fig. 50' is an 'enlarged View of the face of a portion of a printing sector showing the seri-ations in the face of the type.

Fig. 51 is arfragmentary, sectional View through the platen and a "type, to demon- ,stra'te the position of the serrations on one witlireference to the other.

Fig.- 52 'is a section 'through the machine on a linef52, Fig. 3. v l 'Figsu53i-and '54 sliowihemahnr of lock- 111 ftht'oizratngandle lgs. 55 and 56 arefrontand end elevations respectively of a machine in which the duplicate rinting mechanism is in'closed and accessi 'le only to one who has a` key.

Similar numerals refer to similar parts throughout the several views.

25 is the base plate of my machine, upon which is mounted end frames 26 and 27, which in turn are tied together by tie bars 28, across Athe to of the machine, and a back plate 29. A( ee Fig. 2.) A rail 30 pro jecting upward from the base, and a rod 31 carried by the side Aframes, act as guides upon which the lkey conveyer runs. (See Iiig. i

35 represents themain frame of the key conve'er, the front portion of which is sup-` A porte grooved rollers V36. A single plain roller 3 attached to the frame 35, rolls upon the track 30. The rearv portion of the conveyer' is prevented from jumping up' by a guard rail 38, which is attached to the base 25. Shaft 39 is mounted in the ends of thenframe 35 and upon this shaft the keys 40 are mounted and rock. A plate 4l. having a slot for each key, is secured to the front of the frame 35` and keeps the keys in proper lateral position. A rock shaft 42 is mounted in the ends of the frame 35'below thekey's, upon which shaft are rigidly secured arms 43 and 44. (See Figs. 1, 8, 9, 1Q, 11.)V The forward ends of these arms are tied together by rod 45. A. spring 46 tends to rock the shaft 42 and press the rod 45 against the lower edges of the keys and move them to the upper ends of the slots in 'plate 41. When a key is pressed down the remaining keys are heldin their elevated positions by means which will presently he explained.

A hell-crank, comprising arms 50 and 5l, ispivotally mounted at 52 upon the frame 35, and its movement. about the pivotal point is limited by stops 53 and 54. (See Figs. 12 and 13.) A. spring 55. whose other end is attached to the frame 35, tends to keep the arm 51 against the stop 53. A link 5C is pivotally attached to the end of armi 50, its lower end having a slot 57. through which, the rod'45 passes. A pawl 58 is pivotally mounted on the lower end of arm 51 and engages teeth on a rackdmr 59' rigidly secured tovthe base 25, a spring -Gtl tending to keep it thus engaged. The pawl has a laterally extending tail 61 which, 4when a key is actuated, is engaged by an extension 62,;forming part of the arm 43 and the pawl lifted out of engagement with the rack bar. The slot 57 in the link 56 (see Fig. 11) permits of sufficient movement of the rod 45, and hence of the arm 43. todisengage the pawl without rockin thehellcrank. Continued .movement o? however, .causes `it to engage'the bottmfo the Slot 5,7. and ,rock tha-bell. nimh; :the

moves with the arm 51, resulting finalguln the rod',` 

